Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual tempo de corrida de shuttle tem uma corrida de 2,4 km de 12:21 a 13:00?
 ###Tabelas: CREATE TABLE president (president_id AUTO_INCREMENT PRIMARY KEY, Election INT, Candidate VARCHAR, Number of votes VARCHAR, Share of votes VARCHAR, Outcome of election VARCHAR) CREATE TABLE ippt_standards (ippt_standards_id AUTO_INCREMENT PRIMARY KEY, Grade VARCHAR, Points INT, Sit-up (reps) VARCHAR, Standing Broad Jump (cm) VARCHAR, Chin-up (reps) VARCHAR, Shuttle Run (sec) VARCHAR, 2.4km Run (min:sec) VARCHAR) CREATE TABLE technical_specifications (technical_specifications_id AUTO_INCREMENT PRIMARY KEY, Model Type VARCHAR, Model Designation VARCHAR, Engine VARCHAR, Wheelbase (mm/inch) VARCHAR, GVW (kg/ton) VARCHAR, Axle Ratio VARCHAR) CREATE TABLE team_representatives (team_representatives_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, W-L (Total) VARCHAR, W-L (Singles) VARCHAR, W-L (Doubles) VARCHAR, Ties INT, Debut INT, Years Played INT) CREATE TABLE legends_over_45_doubles (legends_over_45_doubles_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score in the final VARCHAR)  
SELECT Shuttle Run (sec) FROM ippt_standards WHERE 2.4km Run (min:sec) = 12:21-13:00